Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Inventor:
Travers; Christine
Address:
Rueil Malmaison, FR
No. of patents:
46
Patents:












Patent Number Title Of Patent Date Issued
7098370 Process for the production of phenylalkanes using a catalyst that contains at least one heteropo August 29, 2006
The invention relates to a process for the production of a mixture of compounds that comprises for the most part at least one mono-alkylbenzene that belongs to the group that is formed by the 2-, 3-, 4-, 5- and 6-phenylalkanes by alkylation of benzene with at least one monoolefin tha
6916448 Process for selective production of propylene from hydrocarbon fractions with four carbon atoms July 12, 2005
For the selective production of propylene from an olefinic C.sub.4 fraction, a process is implemented that successively comprises: 1) the selective hydrogenation of butadiene with isomerization of butene-1 into butene-2; 2) the separation by distillation of a mixture that is rich in is
6743958 Process for selective production of propylene from hydrocarbon fractions with four carbon atoms June 1, 2004
For the selective production of propylene from an olefinic C.sub.4 fraction, a process is implemented that successively comprises: 1) the selective hydrogenation of butadiene with isomerization of butene-1 into butene-2; 2) the separation by distillation of a mixture that is rich in is
6583330 Catalysts containing heteropolyanions usable in processes for conversion of paraffins June 24, 2003
New catalysts that contain heteropolyanions of the 12-tungstophosphoric acid or the 12-tungstomolybdic acid, and, for some of these, at least one metal of group VIII, and that are deposited on substrates that develop a specific surface area and a high pore volume, such as zirconium oxide
6297418 Catalyst based on a halogenated alumina, its preparation and use for the isomerization of normal October 2, 2001
The invention concerns a catalyst containing at least one halogen, at least one metal from group VIII and a formed support comprising gamma alumina and optionally eta alumina, the catalyst being characterized in that the smallest average dimension of said support is in the range 0.8 mm t
6121186 Catalyst based on a halogenated alumina, its preparation and use for the isomerization of normal September 19, 2000
The invention concerns a catalyst composed of at least one halogen, at least one metal from group VIII and a formed support of gamma alumina and optionally eta alumina, the catalyst being characterized in that the smallest average dimension of said support is in the range 0.8 mm to 2 mm
6084141 Hydrogenation process comprising a catalytic distillation zone comprising a reaction zone with d July 4, 2000
The invention concerns a reactive distillation process comprising a distillation zone, associated with a reaction zone which is at least in part internal to said distillation zone and comprises at least one catalytic bed in which the feed is transformed in the presence of a catalyst
6054630 Apparatus comprising a catalytic distillation zone comprising a reaction zone with distribution April 25, 2000
For the treatment of a feed comprising a major portion of olefinic hydrocarbons containing 4 carbon atoms per molecule, including isobutene, 1-butene and 2-butenes in a ratio which substantially corresponds to the thermodynamic equilibrium, in which the feed is treated in a distillation
6048450 Process for the selective reduction to the content of benzene and light unsaturated compounds in April 11, 2000
A process for treating a feed comprising C.sub.5.sup.+ hydrocarbons and comprising at least one unsaturated C.sub.6.sup.+ compound including benzene, is such that the feed is treated in a distillation zone, associated with a hydrogenation zone, comprising at least one catalytic bed
5948948 Paraffin isomerisation process using reactive distillation September 7, 1999
The invention concerns a process for isomerising a feed containing essentially hydrocarbons, preferably paraffins preferably containing 5 and/or 6 carbon atoms per molecule, in which said feed is treated in a distillation zone comprising an exhausting zone and a rectification zone as
5888355 Apparatus comprising a catalytic distillation zone comprising a reaction zone with distribution March 30, 1999
The invention concerns a reactive distillation apparatus comprising a distillation zone, associated with a reaction zone which is at least in part internal to said distillation zone and comprises at least one catalytic bed in which the feed is transformed in the presence of a catalys
5866746 Catalytic dehydroisomerization of C.sub.4 -C.sub.5 n-paraffins February 2, 1999
The present invention concerns, in the dehydroisomerization of at least one C.sub.4 -C.sub.5 n-paraffin, preferably n-butane, the use of a catalyst comprising a refractory oxide based support, preferably an alumina, at least one precious metal from group VIII, preferably platinum or
5817907 Process for skeletal isomerization of linear olefins using a pretreated molecular sieve, and a c October 6, 1998
The invention concerns a process for skeletal isomerization of linear olefins using a catalyst containing at least one pre-treated molecular sieve selected from the group formed by SAPO-31, SAPO-11, Theta-1, EU-1, omega zeolite, mordenite, Nu-10, Nu-86, Nu-87, ferrierite, ZSM-12 and
5817227 Process for the selective reduction to the content of benzene and light unsaturated compounds in October 6, 1998
The invention is concerned with a process for treating a charge of which the major part is constituted by hydrocarbons comprising at least 5 carbon atoms per molecule and comprising at least one unsaturated compound comprising at the most six carbon atoms per molecule including benzene,
5686648 Continuous process for the isomerization of olefins with regeneration of the catalyst November 11, 1997
Continuous process for the skeletal isomerization of n-olefins containing at the most 20 carbon atoms, in the presence of a catalyst essentially constituted by alumina and titanium, in which a charge containing the said n-olefins is made to flow through at least one fluidized bed reactio
5659104 Olefin isomerisation process August 19, 1997
The invention concerns an isomerisation process for n-olefins containing at most 20 carbon atoms, consisting of bringing a feed containing the olefins into contact with an alumina based catalyst impregnated with 0.03% to 0.6% by weight of titanium and 0.05% to 5% by weight of an oxide of
5607891 Process for reducing the benzine content of petrols March 4, 1997
The invention concerns an isomerization catalyst comprising 4 to 15% of at least one halogen and at least one metal from group VIII deposited on a support composed of a mixture of specific proportions of eta alumina and gamma alumina. The invention also concerns a process for reducing th
5578196 Process for reducing the benzene content of petrols November 26, 1996
The invention concerns a process for reducing the benzene content of petrol fractions, in which hydrogenation is carried out on a feed with the following composition by weight: 40% to 80% of paraffins, 0.5% to 7% of cyclic hydrocarbons and 6% to 45% of aromatics, and with a maximum d
5545793 Skeletal isomerisation process for olefins using an alumina-based compound August 13, 1996
The invention concerns a process for the skeletal isomerisation of n-olefins containing 4 to 20 carbon atoms, consisting in bringing a feedstock containing the olefins into contact with a catalyst prepared from an alumina-based compound which is treated with a polyoroanosiloxane then
5534658 Process for reducing the benzene content of petrols July 9, 1996
The invention concerns a process for reducing the benzene content of petrol fractions and isomerizing paraffins in the presence of an isomerization catalyst comprising 4 to 15% of at least one halogen and at least one metal from group VIII deposited on a support composed of a mixture of
5523506 Catalyst with an omega zeolite base, containing at least one group IIA, IVB, IIB or IVA metal, a June 4, 1996
The invention relates to an alumino-silicate type catalyst containing an omega zeolite with a Si/Al atomic ratio of between 2.5 and 100, with a content by weight of sodium of less than 2000 ppm (in relation to the weight of dry zeolite) and further containing, at least one metal selected
5458675 Process for the treatment of ventilation air containing styrene October 17, 1995
The invention concerns a process for the treatment of ventilation air containing malodorous gases, e.g., styrene, involving:1. An adsorption step onto a hydrophobic zeolite containing, for example, platinum and/or palladium,2. A combustion-desorption step wherein hot gases pass over the impr
5446230 Chlorinated, alumina-based, bimetallic catalyst and its use in the isomerization of C.sub.4 -C.s August 29, 1995
A catalyst is provided based on chlorinated eta alumina incorporating platinum and germanium and tin, as well as chlorine. This catalyst can be used in a process for the isomerization of a charge rich in normal C.sub.4 -C.sub.6 -paraffins, without hydrogen recycling.
5391528 Catalyst with an omega zeolite base, containing at least one group IIa, IVb, IIb or IVa metal, a February 21, 1995
The invention relates to an alumino-silicate type catalyst containing an omega zeolite with a Si/Al atomic ratio of between 2.5 and 100, with a content by weight of sodium of less than 2 000 ppm (in relation to the weight off dry zeolite) and further containing, at least one metal se
5321195 Process for the isomerization of olefins June 14, 1994
A process for the skeletal isomerization of n-olefins containing at most 20 carbon atoms, comprising bringing a charge containing olefins into contact with a catalyst based on alumina which is impregnated with a clearly determined amount of TuO.sub.2, and subjected to a s team treatment.
5302770 Catalyst with a mordenite base containing at least one metal of groups IIa, IVb, IIb or IVa and April 12, 1994
The invention relates to a catalyst for isomerization of a C8 aromatic cut containing a mordenite characterized in that said mordenite contains at least one metal of groups IIa, IVb, IIb or IVa and is such that:its overall Si/Al atomic ratio is between 6 and 15,its sodium content by weight r
5234873 Catalyst with a mordenite base containing at least one metal of groups IIA, IVB, IIB or IVA and August 10, 1993
The invention relates to a catalyst for isomerization of a C8 aromatic cut containing a mordenite characterized in that said mordenite contains at least one metal of groups IIa, IVb, IIb or IVa and is such that:its overall Si/Al atomic ratio is between 6 and 15,its sodium content by weight r
5215736 Mordenite type zeolite and its preparation process June 1, 1993
The object of the invention is a synthetic crystalline zeolite of the mordenite type characterized by:a) the following approximate general formula: where x is a number ranging from 9 to 30, andb) an X-ray diffraction diagram represented in table I of the description,c) a fluorine content ranging
5157198 Process for isomerizing normal paraffins in the presence of at least one catalyst based on a par October 20, 1992
The invention relates to a process for isomerizing normal paraffins, particularly C.sub.5 -C.sub.6, in the presence of at least one catalyst based on an omega zeolite having a molar ratio SiO.sub.2 /Al.sub.2 O.sub.3 ranging from 6.5 to 80, a content by weight of sodium lower than 0.2%,
5132479 Mordenite-based catalyst containing at least one metal from group VIII and its use for isomerizi July 21, 1992
The invention relates to a catalyst for isomerizing a C.sub.8 aromatic fraction containing a mordenite and at least one metal from group VIII of the periodic classification of elements (such as Pt or Pd), characterized in that the mordenite is such that its skeleton Si/Al atomic ratio is
5077254 Mordenite-based catalyst containing at least one metal from group VIII and its use for isomerizi December 31, 1991
The invention relates to a catalyst for isomerizing C.sub.8 aromatic fractions, the catalyst containing a mordenite and at least one metal from group VIII of the periodic classification of elements (such as Pt or Pd), characterized in that the mordenite is such that its skeleton Si/Al at
5059569 Process and catalyst for selective reduction of nitrogen oxides October 22, 1991
The invention concerns, on one hand, a new zeolitic catalytic composition which comprises a small-pore mordenite present in the form of needles, exchanged with at least one metal chosen from the group consisting of cooper, vanadium, tungsten, iron, colbalt and molybdenum, and on the othe
4977121 Mordenite-containing catalyst, its preparation and use for isomerizing cuts of high normal paraf December 11, 1990
The invention concerns a catalyst containing by weight:(a) from 10 to 99.99% of a mordenite being in major part shaped as needles and having a Si/Al atomic ratio of about 5 to 50, a benzene adsorption capacity of more than 5% by weight with respect to the dry mordenite weight, a volume V
4943546 Normal paraffin isomerization catalyst comprising a mordenite and titanium July 24, 1990
A catalyst comprising by weight:(a) 10-99.98% of a mordenite, in major part as needles, having a Si/Al atomic ratio of from 5:1 to 100:1, a sodium content lower than 0.2% by weight of the dry mordenite weight, a mesh volume V of elementary mesh from 2.73 to 2.78 nm.sup.3, which adsorbs m
4935578 Mordenite-containing catalyst, its preparation and use for isomerizing cuts of high normal paraf June 19, 1990
The invention concerns a catalyst containing by weight:(a) from 10 to 99.99% of a mordenite being in major part shaped as needles and having a Si/Al atomic ratio of about 5 to 50, a benzene adsorption capacity of more than 5% by weight with respect to the dry mordenite weight, a volume V
4923835 Catalyst of aluminosilicate type containing at least one noble metal and its use for isomerizing May 8, 1990
Catalyst of aluminosilicate type for isomerization of a C.sub.8 aromatic cut, characterized by the following composition, expressed by weight:(a) 0.01 to 1.5% of at least one metal selected from platinum and palladium,(b) 0 to 99.49% of a matrix,(c) 0.5 to 99.99% of a zeolite corresponding t
4909924 Decationized, dealuminated and stabilized L zeolite and use thereof March 20, 1990
The present invention concerns a new decationized, dealuminated and stabilized zeolite of L type, characterized particularly by:a total SiO.sub.2 /Al.sub.2 O.sub.3 molar ratio of at least 8,a potassium content lower than 2.9% by weight,parameters a and c of the elementary mesh respectively lower
4902847 Method for producing olefin oligomers using a modified mordenite based catalyst February 20, 1990
Preparation of oligomers of C.sub.2 to C.sub.8 olefins useful in gasoline, yet fuel and diesel fuel is disclosed. The oligomerization is catalyzed by a modified mordenite in the H or NH.sub.4 + to form which has been sequentially treated with steam and an acid.
4835129 Process for regenerating or activating a n-paraffin isomerization mordenite-containing catalyst May 30, 1989
Process for regenerating or activating a catalyst for isomerizing n-paraffins, containing at least one group VIII metal supported on an acid mordenite, wherein, after having lost at least a part of its initial activity, said catalyst is treated in a first step with an oxygen-containi
4791141 Process for synthesizing a mixture of primary alcohols from a synthesis gas in the presence of a December 13, 1988
Process for manufacturing primary alcohols by reacting carbon oxides with hydrogen, in the presence of a catalyst containing, as essential elements, copper, zinc and aluminum, in respective atomic ratios of Zn/Al=0.4:1 to 2:1 Co/Al=0.2:1 to 0.75:1; Cu/Al=0.1:1 to 3:1, the proportion by w
4789655 Catalyst of high mordenite content for isomerizing normal paraffins and process for producing th December 6, 1988
A catalyst for isomerizing a hydrocarbon cut of high n-paraffin content is disclosed. The catalyst is obtained by controlled oxychlorination of a solid containing at least one group VIII metal supported on an acid mordenite, said mordenite having a sodium content lower than 0.2% by w
4727217 Catalyst for isomerizing cuts of high normal paraffins content February 23, 1988
The invention concerns a new mordenite adsorbing molecules of a kinetic diameter higher than about 0.66 nm, prepared from a mordenite of the so-called small pores type.Said zeolite, admixed with a matrix and at least one group VIII metal can be used in n-paraffins hydroisomerization reac
4596782 Process for manufacturing catalysts containing copper, zinc and aluminum, useful for producing m June 24, 1986
Manufacture of catalysts containing at least three essential metals consisting of copper, zinc and aluminum.The process for manufacturing the catalyst comprises the formation of homogeneous amorphous precipitate of the above-mentioned metals, followed with a washing in two steps, first w
4552861 Process for manufacturing catalysts containing copper, zinc, aluminum and at least one metal fro November 12, 1985
Manufacture of catalysts containing at least four essential metals: copper, zinc, aluminum and at least one metal selected from the group formed of rare earths and zirconium.The process comprises the formation of a crystallized precipitate of the above-mentioned metals by intimate mixtur
4514515 Process for manufacturing a catalyst comprising rhodium and at least one metal selected from the April 30, 1985
A catalyst comprising a carrier, rhodium and at least one element selected from the group consisting of tin, germanium and lead is prepared from a rhodium compound and an alkyl, cycloalkyl or aryl tin, germanium or lead compound.
4456775 Catalytic process for manufacturing alcohols by hydrogenolysis of carboxylic acid esters June 26, 1984
Alcohols and particularly fatty alcohols are manufactured by hydrogenolysis of carboxylic esters in the presence of a catalyst comprising a carrier, rhodium and at least one second element selected from the group consisting of tin, germanium and lead. The rhodium content is from 0.1 to 5










 
 
  Recently Added Patents
Cellulose derivative and hydrogel thereof
System for and method of providing single sign-on (SSO) capability in an application publishing environment
Method and apparatus for monitoring for a radio link failure
Image-monitoring method for electroporation treatment and as associated image-monitoring appliance
Image processing apparatus and image processing method
Image forming apparatus and control method therefor
Light-emitting device with a spacer at bottom surface
  Randomly Featured Patents
Ball-point pen
Color former composition
Crimped polyester filament
Object-oriental system for managing shared libraries
Collapsible chair with safety lock
Image heating apparatus having magnetic flux confining means
ANOVA method for data analysis
Anti-skid device for motor vehicles
Filter leaf
Mutli-lateral filter underdrain block